Mrs. Laura Bush tours the Mark Twain House in Hartford, Conn., Tuesday, July 24, 2007, joined by U.S. Sec. of Education Margaret Spellings, Lt. Gov. Mike Fedele, and his wife, Carol, along with the executive director of the Mark Twain house, Debra Petke; Save Americas Treasures Director Bobbie Greene McCarthy and Dr. Bruce Cole, chairman of the National Endowment for the Humanities.